阅读说明：本技术 用于减少头戴式显示器中的固定模式噪声的校正光学器件 (Corrective optics for reducing fixed pattern noise in head-mounted displays ) 是由 耿莹 雅克·戈利耶 亚历山大·松 马修·科尔伯恩 于 2018-04-04 设计创作，主要内容包括：电子显示组件包括显示元件和耦合到显示元件的校正元件。显示元件具有第一类型的第一多个子像素和第二类型的第二多个子像素。第一多个子像素的两个相邻子像素分隔开子像素距离。校正元件具有多个特征,多个特征被配置为使由第一多个子像素发射的光漫射,使得在远离电子显示组件的观察距离处观察到的在第一类型的两个相邻子像素之间的视距小于子像素距离。(The electronic display assembly includes a display element and a correction element coupled to the display element. The display element has a first plurality of sub-pixels of a first type and a second plurality of sub-pixels of a second type. Two adjacent sub-pixels of the first plurality of sub-pixels are separated by a sub-pixel distance. The correction element has a plurality of features configured to diffuse light emitted by the first plurality of sub-pixels such that a viewing distance between two adjacent sub-pixels of the first type, viewed at a viewing distance away from the electronic display assembly, is less than the sub-pixel distance.)

1. An electronic display assembly comprising:

a display element having a first plurality of subpixels of a first type and a second plurality of subpixels of a second type, wherein two adjacent subpixels of the first plurality of subpixels are separated by a subpixel distance; and

a correction element coupled to the display component, the correction element having a plurality of features configured to diffuse light emitted by the first plurality of subpixels such that a viewing distance between the two adjacent subpixels of the first type viewed at a viewing distance away from the electronic display component is less than the subpixel distance.

2. The electronic display assembly of claim 1, wherein the feature of the correction element is one of a post, a stepped post, a hole, and a stepped hole.

3. The electronic display element of claim 1, wherein the features are arranged in a square grid.

4. The electronic display element of claim 1, wherein the features are arranged in a hexagonal grid.

5. The electronic display assembly of claim 1, wherein a spacing between adjacent features of the correction element is less than the sub-pixel distance.

6. The electronic display assembly of claim 5, wherein the spacing between adjacent features of the correction element further satisfies the following equation:

d_f＝3λD/d_p，

wherein d is_fRepresents the spacing between adjacent features of the correction element, λ represents the wavelength of light emitted by the first plurality of subpixels, D represents the viewing distance, and D_pRepresenting the sub-pixel distance.

7. The electronic display assembly of claim 1, wherein a portion of the sub-pixel distance is a dark region, and the plurality of features are configured to correct fixed pattern noise by blurring an image of each of the two adjacent sub-pixels to mask the dark region between the two adjacent sub-pixels.

8. The electronic display assembly of claim 1, wherein the plurality of features are configured to blur the image of each of the two adjacent subpixels by causing light emitted by each subpixel to appear as a plurality of closely spaced subpixels at the viewing distance.

9. The electronic display assembly of claim 1, wherein the first plurality of subpixels are configured to emit light at a first wavelength and the second plurality of subpixels are configured to emit light at a second wavelength.

10. The electronic display assembly of claim 9, wherein the correction element is configured to selectively diffuse light emitted by the first plurality of sub-pixels and not diffuse light emitted by the second plurality of sub-pixels.

11. The electronic display assembly of claim 9, wherein the correction element is configured to diffuse light emitted by the first plurality of subpixels by a greater amount than light emitted by the second plurality of subpixels.

12. The electronic display assembly of claim 1, wherein the correction element comprises a surface of the display element, and the features are etched onto the surface of the display element using a single step process.

13. The electronic display assembly of claim 12, wherein the features are etched onto the surface of the display elements using a nanoimprint lithography process.

14. The electronic display assembly of claim 1, wherein the display element is a screen of a mobile device and the correction element is a film affixed to the mobile device to reduce the occurrence of defects on the screen.

15. An electronic display assembly comprising:

a display element having a plurality of sub-pixels, wherein two of the plurality of sub-pixels are separated by a sub-pixel distance; and

a correction element coupled to the display component, the correction element having a plurality of features configured to diffuse light emitted by the plurality of subpixels such that a viewing distance between the two adjacent subpixels, as viewed at a viewing distance away from the electronic display component, is less than the subpixel distance.

16. The electronic display assembly of claim 15, wherein the features of the correction element are one of posts, stepped posts, holes, and stepped holes, and the features are arranged in one of a square grid or a hexagonal grid.

17. The electronic display assembly of claim 15, wherein a spacing between adjacent features of the correction element is less than the sub-pixel distance.

18. The electronic display assembly of claim 15, wherein a portion of the sub-pixel distance is a dark region, and the plurality of features are configured to correct fixed pattern noise by blurring an image of each of the two adjacent sub-pixels to mask the dark region between the two adjacent sub-pixels.

19. The electronic display assembly of claim 15, wherein the plurality of features are configured to blur the image of each of the two adjacent subpixels by causing light emitted by each subpixel to appear as a plurality of closely spaced subpixels at the viewing distance.

20. The electronic display assembly of claim 15, wherein the correction element comprises a surface of the display element, and the features are etched onto the surface of the display element using a single step nanoimprint lithography process.

21. An electronic display assembly comprising:

a display element having a first plurality of subpixels of a first type and a second plurality of subpixels of a second type, wherein two adjacent subpixels of the first plurality of subpixels are separated by a subpixel distance; and

a correction element coupled to the display component, the correction element having a plurality of features configured to diffuse light emitted by the first plurality of subpixels such that a viewing distance between the two adjacent subpixels of the first type viewed at a viewing distance away from the electronic display component is less than the subpixel distance.

22. The electronic display assembly of claim 21, wherein the feature of the correction element is one of a post, a stepped post, a hole, and a stepped hole.

23. The electronic display element of claim 21 or 22, wherein the features are arranged in a square grid; and/or

Wherein the features are arranged in a hexagonal grid.

24. The electronic display assembly of any of claims 21 to 23, wherein a pitch between adjacent features of the correction element is less than the sub-pixel distance;

optionally, wherein the spacing between adjacent features of the correction element further satisfies the following equation:

d_f＝3λD/d_p，

wherein d is_fRepresented in said correcting elementThe spacing between adjacent features, λ represents a wavelength of light emitted by the first plurality of subpixels, D represents the viewing distance, and D_pRepresenting the sub-pixel distance.

25. The electronic display assembly of any of claims 21 to 24, wherein a portion of the sub-pixel distance is a dark region, and the plurality of features are configured to correct fixed pattern noise by blurring an image of each of the two adjacent sub-pixels to mask the dark region between the two adjacent sub-pixels.

26. The electronic display assembly of any of claims 21 to 25, wherein the plurality of features are configured to blur the image of each of the two adjacent subpixels by causing light emitted by each subpixel to appear as a plurality of closely spaced subpixels at the viewing distance.

27. The electronic display assembly of any of claims 21 to 26, wherein the first plurality of subpixels are configured to emit light at a first wavelength and the second plurality of subpixels are configured to emit light at a second wavelength;

optionally, wherein the correction element is configured to selectively diffuse light emitted by the first plurality of sub-pixels and not diffuse light emitted by the second plurality of sub-pixels; and/or

Optionally, wherein the correction element is configured to diffuse light emitted by the first plurality of sub-pixels by a greater amount than light emitted by the second plurality of sub-pixels.

28. The electronic display assembly of any of claims 21 to 27, wherein the correction element comprises a surface of the display element and the features are etched onto the surface of the display element using a single step process;

optionally wherein the features are etched onto the surface of the display element using a nanoimprint lithography process.

29. The electronic display assembly of any of claims 21 to 28, wherein the display element is a screen of a mobile device and the correction element is a film affixed to the mobile device to reduce the occurrence of defects on the screen.

30. An electronic display assembly, in particular according to any of claims 21 to 29, comprising:

a display element having a plurality of sub-pixels, wherein two of the plurality of sub-pixels are separated by a sub-pixel distance; and

a correction element coupled to the display component, the correction element having a plurality of features configured to diffuse light emitted by the plurality of subpixels such that a viewing distance between the two adjacent subpixels, as viewed at a viewing distance away from the electronic display component, is less than the subpixel distance.

31. The electronic display assembly of claim 30, wherein the features of the correction element are one of posts, stepped posts, holes, and stepped holes, and the features are arranged in one of a square grid or a hexagonal grid.

32. The electronic display assembly of claim 30 or 31, wherein a pitch between adjacent features of the correction element is less than the sub-pixel distance.

33. The electronic display assembly of any of claims 30 to 32, wherein a portion of the sub-pixel distance is a dark region, and the plurality of features are configured to correct fixed pattern noise by blurring an image of each of the two adjacent sub-pixels to mask the dark region between the two adjacent sub-pixels.

34. The electronic display assembly of any of claims 30 to 33, wherein the plurality of features are configured to blur the image of each of the two adjacent subpixels by causing light emitted by each subpixel to appear as a plurality of closely spaced subpixels at the viewing distance.

35. The electronic display assembly of any of claims 30 to 34, wherein the correction element comprises a surface of the display element, and the features are etched onto the surface of the display element using a single step nanoimprint lithography process.